public void Log <TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func <TState, Exception, string> formatter)
{
var level = LevelConvert.ToSerilogLevel(logLevel);
if (!_logger.IsEnabled(level))
{
return;
}
var logger = _logger;
string messageTemplate = null;
var properties = new List <LogEventProperty>();
if (state is IEnumerable <KeyValuePair <string, object> > structure)
{
foreach (var property in structure)
{
if (property.Key == SerilogLoggerProvider.OriginalFormatPropertyName && property.Value is string value)
{
messageTemplate = value;
}
else if (property.Key.StartsWith("@"))
{
if (logger.BindProperty(property.Key.Substring(1), property.Value, true, out var destructured))
{
properties.Add(destructured);
}
}
else
{
if (logger.BindProperty(property.Key, property.Value, false, out var bound))
{
properties.Add(bound);
}
}
}
var stateType = state.GetType();
var stateTypeInfo = stateType.GetTypeInfo();
// Imperfect, but at least eliminates `1 names
if (messageTemplate == null && !stateTypeInfo.IsGenericType)
{
messageTemplate = "{" + stateType.Name + ":l}";
if (logger.BindProperty(stateType.Name, AsLoggableValue(state, formatter), false, out var stateTypeProperty))
{
properties.Add(stateTypeProperty);
}
}
}
if (messageTemplate == null)
{
string propertyName = null;
if (state != null)
{
propertyName = "State";
messageTemplate = "{State:l}";
}
else if (formatter != null)
{
propertyName = "Message";
messageTemplate = "{Message:l}";
}
if (propertyName != null)
{
if (logger.BindProperty(propertyName, AsLoggableValue(state, formatter), false, out var property))
{
properties.Add(property);
}
}
}
if (eventId.Id != 0 || eventId.Name != null)
{
properties.Add(CreateEventIdProperty(eventId));
}
var parsedTemplate = MessageTemplateParser.Parse(messageTemplate ?? "");
var evt = new LogEvent(DateTimeOffset.Now, level, exception, parsedTemplate, properties);
logger.Write(evt);
}
public bool IsEnabled(LogLevel logLevel)
{
return(_logger.IsEnabled(LevelConvert.ToSerilogLevel(logLevel)));
}